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| Customization: | Available |
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| After-sales Service: | 24hours Online |
| Warranty: | 12 Months |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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1.professional copper and aluminum connecting pipe manufacturer


| Specification | Outer Diameter | Wall thickness | Diameter of insulation | Wall thickness of insulation | Length |
| 1/4"+3/8" | 6.35+9.52mm | according to your requirement |
φ8+φ12 | 8mm | 3-50m |
| 1/4"+1/2" | 6.35+12.7mm | φ8+φ14 | |||
| 1/4"+5/8" | 6.35+15.88mm | φ8+φ18 | |||
| 3/8"+5/8" | 9.52+15.88mm | φ12+φ18 | |||
| 3/8"+3/4" | 9.52+19.05mm | φ12+φ22 | |||
| 1/2"+3/4" | 12.7+19.05mm | φ14+φ22 |

Q: Why choose Andwin?
A: Andwin is specialized in tube manufacturer for refrigeration many years.
Our product quality and service are considered by the customers.
Q: Can I get low price from Andwin?
A: Yes, you will get the most competitive offer from Andwin.
Q: Can I get free samples?
A: Yes, sample is free. The buyer should pay the sample freight cost, this fee will be deducted from the initial order.




We are professional factory to produce insulated copper pipe and copper pipe, that are sold worldwide,also own UL certifications for insulation and ASTM B280 certificate for copper tube.